In a particular country in 1997,the average worker had to work 18 hours to produce 45 units of output.In that same country in 2007,the average worker needed to work 24 hours to produce 60 units of output.In that country,the productivity of the average worker
A) increased by 2 percent between 1997 and 2007.
B) increased by 5 percent between 1997 and 2007.
C) remained unchanged between 1997 and 2007.
D) decreased by 3 percent between 1997 and 2007.

Question

Quizplus · Accepted Answer

Productivity is measured as output per hour worked. In 1997, productivity was 45 units/18 hours = 2.5 units per hour. In 2007, it was 60 units/24 hours = 2.5 units per hour. Thus, productivity remained unchanged.

In a Particular Country in 1997,the Average Worker Had to Work